Gate box safety riser



FIG. 1 is a side perspective view of a gate box safety riser showing mynew design;

FIG. 2 is top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

CLAIM The ornamental design for a gate box safety riser, as shown.